The article 2 of the Code Noir [Black Code] promulgated by Louis XIV in 1685 stipulated that “religious instruction be provided to slaves.” The Jesuits taught slaves through the religious instruction to play some instruments in order to assemble a choir for religious services [..] The “Chanté Nwèl” in the French West Indies is first and foremost a time of sharing and solidarity

Here is a video of one of the most known carol :Joseph mon cher fidèle (Joseph, my dear faithful) [fr]:

Back in the days during “Chanté Nwèl”, the traditional cocktail punch and chocolate water thickened with toloman were served to warm the “sneaky cold” December nights; orgeat syrup were reserved for the ladies … at the end of November, the schrubb is prepared with orange peels that has been soaked in rum and exposed to the sun.

The following video shows how residents of Gros-Morne, Martinique are celebrating the tradition today [fr]: